// wdm.h

typedef enum {
  DmaComplete,
  DmaAborted,
  DmaError,
  DmaCancelled
} DMA_COMPLETION_STATUS;
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Windows Driver Kit DDI reference (ne-wdm-dma_completion_status)

DMA_COMPLETION_STATUS enumeration

Description

The DMA_COMPLETION_STATUS enumeration describes the completion status of a DMA transfer.

Constants

`DmaComplete`

The DMA transfer completed successfully.

`DmaAborted`

Not used.

`DmaError`

The DMA transfer did not complete successfully because an error occurred.

`DmaCancelled`

The DMA transfer did not complete successfully because the client canceled the transfer.

Remarks

The Status parameter of the DmaCompletionRoutine routine is a DMA_COMPLETION_STATUS enumeration value.

DMA_COMPLETION_STATUS - NtDoc